Новости из категории: astronet

The Slow Dance of Galaxies NGC 5394 and 5395

Ср, Март 04, 2020 - 8:30

If you like slow dances, then this may be one for you. A single turn in this dance takes several hundred million years. Two galaxies, NGC 5394 and NGC 5395, slowly whirl about each other in a gravitational interaction that sets..

Apollo 13 Views of the Moon

Вт, Март 03, 2020 - 8:30

What if the only way to get back to Earth was to go around the far side of the Moon? Such was the dilemma of the Apollo 13 Crew in 1970 as they tried to return home in their unexpectedly damaged spacecraft.

Sharpless 308: The Dolphin Nebula

Пн, Март 02, 2020 - 7:30

Blown by fast winds from a hot, massive star, this cosmic bubble is much larger than the dolphin it appears to be. Cataloged as Sharpless 2-308 it lies some 5,200 light-years away toward the constellation of the Big Dog (Canis Major) and..

A Hole in Mars

Вс, Март 01, 2020 - 8:30

What created this unusual hole in Mars? The hole was discovered by chance in 2011 on images of the dusty slopes of Mars' Pavonis Mons volcano taken by the HiRISE instrument aboard the robotic Mars Reconnaissance Orbiter currently circling..

Julius Caesar and Leap Days

Сб, Февраль 29, 2020 - 8:30

In 46 BC Julius Caesar reformed the calendar system. Based on advice by astronomer Sosigenes of Alexandria, the Julian calendar included one leap day every four years to account for the fact that an Earth year is slightly more than 365..

Julius Caesar and Leap Days

Сб, Февраль 29, 2020 - 7:30

South Celestial Rocket Launch

Пт, Февраль 28, 2020 - 8:30

At sunset on December 6 a Rocket Lab Electron rocket was launched from a rotating planet. With multiple small satellites on board it departed on a mission to low Earth orbit dubbed Running Out of Fingers from Mahia Peninsula on New..

Астрономическая неделя со 2 по 8 марта 2020 года

Пт, Февраль 28, 2020 - 7:24

На данной неделе 2 марта произойдет покрытие Луной (Ф= 0,47+) звезды эпсилон Тельца (3,5m) при видимости на юге Сибири и в Приморье. В этот же..

Two Hemisphere Night Sky

Чт, Февраль 27, 2020 - 8:30

The Sun is hidden by a horizon that runs across the middle in this two hemisphere view of Earth's night sky. The digitally stitched mosaics were recorded from corresponding latitudes, one 29 degrees north and one 29 degrees south of the..

Календарь наблюдателя на март 2020 года

Ср, Февраль 26, 2020 - 17:52

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела,..

NGST 10b: Discovery of a Doomed Planet

Ср, Февраль 26, 2020 - 8:30

This hot jupiter is doomed. Hot jupiters are giant planets like Jupiter that orbit much closer to their parent stars than Mercury does to our Sun. But some hot jupiters are more extreme than others. NGTS-10b, illustrated..